I never understood the dang chicken calculators. Too complex for my pebble brain.
BackYard Chickens - Learn How to Raise Chickens
JustAChickenLoverOverHere
EmmaRainboe
I’m not usually awake at 2:00am 
JustAChickenLoverOverHere
In Houston time zone, it was 4 am. I woke up at 2:30 am (12:30 for you) and didn’t go to sleep until 6:45 am (4:45 for you) I was on BYC. And one of the eggs I’m incubating pipped externally!